RA/DEC (2000)
20:41:11.858 +07:30:47.01
310.29940768 +7.51305774
Type
SN
Redshift
0.05
Discovery ReportClassification Report
Related AstroNotes: 2026-188
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2026-05-20 09:47:50.001
TNS AT
Y
Public
Y
Discovery Mag
19.6773
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026nfw - 2026-06-08 08:17:59 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
23972 2026-06-08 08:17:59 ESO-NTT / EFOSC2-NTT 900 E. Charleton, C.G. Touchard-Paxton, M. Ghendrih C. Dashwood-Brown ePESSTO+ tns_2026nfw_2026-06-08_08-17-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026nfw_2026-06-08_08-17-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2026-05-21 03:50:31 - 2026-05-21 03:50:31 2461181.66008 - 2461181.66008 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584427 2026-05-21 03:50:31 2461181.66008 19.564 0.16 20.4 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-S_GOTO-3 2026-05-20 19:17:12 - 2026-05-20 19:17:12 2461181.303609 - 2461181.303609 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584519 2026-05-20 19:17:12 2461181.303609 19.48 0.11 ABMag L-GOTO GOTO-S_GOTO-3 180
cyan-ATLAS ATLAS-CHL_ATLAS-04 2026-05-20 08:59:22 - 2026-05-20 08:59:22 2461180.87456 - 2461180.87456 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584426 2026-05-20 08:59:22 2461180.87456 19.37 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-05-19 03:07:26 - 2026-05-19 03:07:26 2461179.630164 - 2461179.630164 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584518 2026-05-19 03:07:26 2461179.630164 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2026-05-15 11:13:34 - 2026-05-15 11:13:34 2461175.9677546 - 2461175.9677546 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584228 2026-05-15 11:13:34 2461175.9677546 19.7808 ABMag i-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
r-ZTF P48_ZTF-Cam 2026-05-20 10:52:06 - 2026-05-20 10:52:06 2461180.9528472 - 2461180.9528472 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584230 2026-05-20 10:52:06 2461180.9528472 19.9126 0.198854 20.1496 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2026-05-15 10:21:20 - 2026-05-20 09:47:50 2461175.9314815 - 2461180.9082176 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
584229 2026-05-20 09:47:50 2461180.9082176 19.6773 0.16431 20.3027 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
588111 2026-05-20 09:47:50 2461180.9082176 19.6773 0.16431 20.3027 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
588110 2026-05-15 10:21:20 2461175.9314815 20.805 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
306662 2026-05-31 18:51:50 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 20:41:11.858 +07:30:47.01 2026-05-20 09:47:50.001 19.6773 g-ZTF PSN ZTF26aaxnldg ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaxnldg N
304854 2026-05-22 08:25:30 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 20:41:11.875 +07:30:46.11 2026-05-20 19:17:11.904 19.48 L-GOTO Other GOTO26fbu GOTO N
304809 2026-05-21 17:26:16 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 20:41:11.890 +07:30:46.94 2026-05-21 03:50:30.912 19.564 wide-ATLAS PSN ATLAS26gdw ATLAS N
304714 2026-05-20 18:07:34 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 20:41:11.861 +07:30:47.06 2026-05-20 09:47:50.001 19.6773 g-ZTF PSN ZTF26aaxnldg ZTF Early SN candidate (g-rise > 0.23+-0.03 mag/day, r-rise > 0.11+-0.03 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF26aaxnldg 2026TNSTR2186....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23968 2026-06-08 16:56:38 ePESSTOplus_Bot1 E. Charleton, C.G. Touchard-Paxton, M. Ghendrih, C. Dashwood-Brown, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN 0.05 1 ePESSTO+
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
23972 2026-06-08 08:17:59 ESO-NTT / EFOSC2-NTT 900 E. Charleton, C.G. Touchard-Paxton, M. Ghendrih C. Dashwood-Brown ePESSTO+ tns_2026nfw_2026-06-08_08-17-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2026nfw_2026-06-08_08-17-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Sun, 05/31/2026 - 18:51

Object coordinates updated

Object coordinates updated according to AT-report 306662 of Group ZTF
Previous RA, DEC: 20:41:11.861, +07:30:47.06 (310.29942130786, +7.5130718078606)
Updated RA, DEC: 20:41:11.858, +07:30:47.01 (310.29940768, +7.51305774)